| Union Hill-Novelty Hill to Karlovo | 5,876.32 mi (9,457.03 km) |
| Union Hill-Novelty Hill to Karnobat | 5,916.66 mi (9,521.95 km) |
| Union Hill-Novelty Hill to Kavarna | 5,887.94 mi (9,475.73 km) |
| Union Hill-Novelty Hill to Kazanlak | 5,889.10 mi (9,477.60 km) |
| Union Hill-Novelty Hill to Knezha | 5,807.79 mi (9,346.73 km) |
| Union Hill-Novelty Hill to Kostinbrod | 5,834.76 mi (9,390.14 km) |
| Union Hill-Novelty Hill to Kozloduy | 5,783.04 mi (9,306.90 km) |
| Union Hill-Novelty Hill to Kyustendil | 5,858.19 mi (9,427.85 km) |
| Union Hill-Novelty Hill to Levski | 5,835.94 mi (9,392.04 km) |
| Union Hill-Novelty Hill to Lom | 5,770.85 mi (9,287.29 km) |
| Union Hill-Novelty Hill to Lovech | 5,843.12 mi (9,403.59 km) |
| Union Hill-Novelty Hill to Lukovit | 5,828.57 mi (9,380.17 km) |
| Union Hill-Novelty Hill to Lyaskovets | 5,863.79 mi (9,436.86 km) |
| Union Hill-Novelty Hill to Mezdra | 5,822.86 mi (9,370.98 km) |
| Union Hill-Novelty Hill to Momchilgrad | 5,959.15 mi (9,590.33 km) |
